llvm-project

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// RUN: %clang_cc1 -fsyntax-only -verify %s
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void function(void) __attribute__((external_source_symbol(language="Swift", defined_in="module", generated_declaration)));
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__attribute__((external_source_symbol(language="Swift", defined_in="module")))
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@interface I
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- (void)method __attribute__((external_source_symbol(defined_in= "module")));
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@end
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enum E {
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  CaseA __attribute__((external_source_symbol(generated_declaration))),
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  CaseB __attribute__((external_source_symbol(generated_declaration, language="Swift")))
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} __attribute__((external_source_symbol(language = "Swift")));
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void functionCustomUSR(void) __attribute__((external_source_symbol(language="Swift", defined_in="module", generated_declaration, USR="s:6module17functionCustomUSRyyF")));
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void functionCustomUSR2(void) __attribute__((external_source_symbol(language="Swift", defined_in="module", USR="s:6module18functionCustomUSR2yyF", generated_declaration)));
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void f2(void)
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__attribute__((external_source_symbol())); // expected-error {{expected 'language', 'defined_in', 'generated_declaration', or 'USR'}}
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void f3(void)
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__attribute__((external_source_symbol(invalid))); // expected-error {{expected 'language', 'defined_in', 'generated_declaration', or 'USR'}}
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void f4(void)
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__attribute__((external_source_symbol(language))); // expected-error {{expected '=' after language}}
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void f5(void)
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__attribute__((external_source_symbol(language=))); // expected-error {{expected string literal for language name in 'external_source_symbol' attribute}}
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void f6(void)
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__attribute__((external_source_symbol(defined_in=20))); // expected-error {{expected string literal for source container name in 'external_source_symbol' attribute}}
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void f7(void)
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__attribute__((external_source_symbol(generated_declaration, generated_declaration))); // expected-error {{duplicate 'generated_declaration' clause in an 'external_source_symbol' attribute}}
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void f8(void)
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__attribute__((external_source_symbol(language="Swift", language="Swift"))); // expected-error {{duplicate 'language' clause in an 'external_source_symbol' attribute}}
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void f9(void)
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__attribute__((external_source_symbol(defined_in="module", language="Swift", defined_in="foo"))); // expected-error {{duplicate 'defined_in' clause in an 'external_source_symbol' attribute}}
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__attribute__((external_source_symbol(defined_in="module", language="Swift", USR="foo", USR="bar"))); // expected-error {{duplicate 'USR' clause in an 'external_source_symbol' attribute}}
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void f9_1(void);
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void f10(void)
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__attribute__((external_source_symbol(generated_declaration, language="Swift", defined_in="foo", generated_declaration, generated_declaration, language="Swift"))); // expected-error {{duplicate 'generated_declaration' clause in an 'external_source_symbol' attribute}}
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void f11(void)
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__attribute__((external_source_symbol(language="Objective-C++", defined_in="Some file with spaces")));
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void f12(void)
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__attribute__((external_source_symbol(language="C Sharp", defined_in="file:////Hello world with spaces. cs")));
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void f13(void)
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__attribute__((external_source_symbol(language=Swift))); // expected-error {{expected string literal for language name in 'external_source_symbol' attribute}}
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void f14(void)
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__attribute__((external_source_symbol(=))); // expected-error {{expected 'language', 'defined_in', 'generated_declaration', or 'USR'}}
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void f15(void)
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__attribute__((external_source_symbol(="Swift"))); // expected-error {{expected 'language', 'defined_in', 'generated_declaration', or 'USR'}}
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void f16(void)
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__attribute__((external_source_symbol("Swift", "module", generated_declaration))); // expected-error {{expected 'language', 'defined_in', 'generated_declaration', or 'USR'}}
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void f17(void)
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__attribute__((external_source_symbol(language="Swift", "generated_declaration"))); // expected-error {{expected 'language', 'defined_in', 'generated_declaration', or 'USR'}}
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void f18(void)
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__attribute__((external_source_symbol(language= =))); // expected-error {{expected string literal for language name in 'external_source_symbol' attribute}}
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void f19(void)
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__attribute__((external_source_symbol(defined_in="module" language="swift"))); // expected-error {{expected ')'}} expected-note {{to match this '('}}
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void f20(void)
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__attribute__((external_source_symbol(defined_in="module" language="swift" generated_declaration))); // expected-error {{expected ')'}} expected-note {{to match this '('}}
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void f21(void)
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__attribute__((external_source_symbol(defined_in= language="swift"))); // expected-error {{expected string literal for source container name in 'external_source_symbol' attribute}}
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void f22(void)
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__attribute__((external_source_symbol)); // expected-error {{'external_source_symbol' attribute takes at least 1 argument}}
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void f23(void)
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__attribute__((external_source_symbol(defined_in=, language="swift" generated_declaration))); // expected-error {{expected string literal for source container name in 'external_source_symbol' attribute}} expected-error{{expected ')'}} expected-note{{to match this '('}}
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void f24(void)
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__attribute__((external_source_symbol(language = generated_declaration))); // expected-error {{expected string literal for language name in 'external_source_symbol' attribute}}
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void f25(void)
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__attribute__((external_source_symbol(defined_in=123, defined_in="module"))); // expected-error {{expected string literal for source container name in 'external_source_symbol'}} expected-error {{duplicate 'defined_in' clause in an 'external_source_symbol' attribute}}
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void f26(void)
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__attribute__((external_source_symbol(language=Swift, language="Swift", error))); // expected-error {{expected string literal for language name in 'external_source_symbol'}} expected-error {{duplicate 'language' clause in an 'external_source_symbol' attribute}} expected-error {{expected 'language', 'defined_in', 'generated_declaration', or 'USR'}}
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void f27(void)
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__attribute__((external_source_symbol(USR=f27))); // expected-error {{expected string literal for USR in 'external_source_symbol' attribute}}
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void f28(void)
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__attribute__((external_source_symbol(USR="")));
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void f29(void)
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__attribute__((external_source_symbol(language=L"Swift"))); // expected-warning {{encoding prefix 'L' on an unevaluated string literal has no effect}}
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void f30(void)
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__attribute__((external_source_symbol(language="Swift", language=L"Swift"))); // expected-error {{duplicate 'language' clause in an 'external_source_symbol' attribute}} \
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                                                                              // expected-warning {{encoding prefix 'L' on an unevaluated string literal has no effect}}
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void f31(void)
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__attribute__((external_source_symbol(USR=u"foo"))); // expected-warning {{encoding prefix 'u' on an unevaluated string literal has no effect}}
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void f32(void)
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__attribute__((external_source_symbol(USR="foo", USR=u"foo"))); // expected-error {{duplicate 'USR' clause in an 'external_source_symbol' attribute}} \
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                                                                // expected-warning {{encoding prefix 'u' on an unevaluated string literal has no effect}}
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void f33(void)
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__attribute__((external_source_symbol(defined_in=U"module"))); // expected-warning {{encoding prefix 'U' on an unevaluated string literal has no effect}}
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void f34(void)
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__attribute__((external_source_symbol(defined_in="module", defined_in=U"module"))); // expected-error {{duplicate 'defined_in' clause in an 'external_source_symbol' attribute}} \
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                                                                                    // expected-warning {{encoding prefix 'U' on an unevaluated string literal has no effect}}
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#if __has_attribute(external_source_symbol) != 20230206
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# error "invalid __has_attribute version"
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#endif
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